Adrian Dussan thinks this is interesting: We have seen in the previous chapter how an index can have one or more types and each type has its own mapping. From Elasticsearch mapping from Elasticsearch: A Complete Guide by Saurabh Chhajed, Marek Rogoziński, Rafał Kuć, Bharvi Dixit Publisher: Packt Publishing Released: January 2017 Note Elasticsearch version 6 only allow on type per index Share this highlight http://www.safaribooksonline.com/a/elasticsearch-a-complete/20060854/ Twitter Facebook Google Plus Email Get Instant Access Now Start a Free Trial Have an account? Sign in. Minimise Unlock the rest of Elasticsearch: A Complete Guide and 30,000 other books and videos By clicking this box, you confirm that you have read and agree to the terms and conditions of our Membership Agreement, and you understand that when your trial period ends, you will be required to provide billing information if you wish to continue using the service. Unlock the rest of this book Start a Free 10-Day Trial loading Learn about Safari for Business Have an account? Sign in.